N 9th St

Monitoring Station · Center City, United States
38
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
36 3pm
35
38
35 6pm
35
35
35 9pm
35
35
48 12am
48
48
48 3am
48
48
— 6am
—
—
— 9am
—
—
— 12pm
—
—
Station readings
36
35
38
CAMS model adj -2
37
37
37
37
37
37
37
37
37
50
50
50
50
50
50

Air Quality Trend (24h)

PM2.59.2 µg/m³ ✓ WHO
Good

Nearby Monitoring Stations

41
1401 John F Kennedy Blvd
0.9 km PM2.5: 9.8 µg/m³
34
807 Lombard St
1.1 km PM2.5: 8.2 µg/m³
39
315 N 18th St
1.4 km PM2.5: 9.3 µg/m³
36
1358 Ridge Ave, Philadelphia, PA 19123
1.4 km PM2.5: 8.7 µg/m³
35
1901 Walnut St
1.6 km PM2.5: 8.5 µg/m³
40
2100 Pine St
2.0 km PM2.5: 9.5 µg/m³
34
Annin Street, Philadlephia
2.1 km PM2.5: 8.1 µg/m³
39
S Christopher Columbus Blvd
2.1 km PM2.5: 9.3 µg/m³

Nearby Cities

36 Center City 36 Philadelphia 36 Rittenhouse 36 Fishtown 36 Pennsport 36 Wharton 36 Point Breeze 36 University City 36 Hartranft

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-09T18:52 UTC.